Double-layer adjustable mechanical material uniformizing device
The design of the double-layer adjustable mechanical feeder solves the problem of uneven material distribution in large-sized silos, achieving uniform material distribution and high hygiene performance, making it suitable for food processing fields with high hygiene requirements.
Patent Information
- Application Number
- CN202520398734.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing mechanical feeders have limited applicability, cannot achieve multi-angle adjustment in large-size silos, pose a risk of contamination and material breakage, and are difficult to clean and maintain.
It adopts a double-layer adjustable mechanical structure design, and achieves four-fold material uniformity through the hollow design of the upper and lower uniform material plates and the connection of adjustable connecting rods, which avoids lubricating oil leakage and material breakage. It is made of stainless steel for easy disassembly and cleaning.
It achieves uniform material distribution in large-size silos, avoiding the uneven distribution of materials in the "mountain-shaped" pattern of traditional material distributors, improving production efficiency and yield, and meeting the high hygiene standards required for food processing.
Smart Images
Figure CN223836664U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a material leveler, and more particularly to a double-layer adjustable mechanical material leveler. Background Technology
[0002] In the pet food industry, hygiene requirements are extremely stringent during the production process. Therefore, during processes such as curing and cooling, material hoppers cannot use common drive methods such as motors, reducers, and cylinders to achieve uniform material distribution. This is because these electric drive devices are prone to oil leakage during use, which contaminates the material and affects product quality. Therefore, there is an urgent need for a purely mechanical material distributor to meet the high hygiene standards and enable uniform material distribution without relying on electric drives.
[0003] However, existing mechanical feeders still have many shortcomings, as follows:
[0004] 1. Limited applicability: Existing mechanical feeders are typically only suitable for silos with a diameter of less than 2 meters, and their adjustable range is limited, making multi-angle adjustment impossible. As a result, the feeder often fails to distribute the material evenly throughout the silo, leading to insufficient material delivery in certain areas (especially the four corners of the silo), creating "material distribution dead zones." This problem is particularly pronounced in large-sized silos.
[0005] 2. Complex Structure and Potential Contamination: For example, as shown in the patented rotary material distribution mechanism (publication number CN2376197Y), the rotary material distribution mechanism uses rotating scraper blades to evenly distribute materials. However, this design has two main problems: First, there is a risk of contamination. The equipment requires a gear drive system such as a reducer, commutator, speed reduction device, and universal joint. These systems require gear oil or lubricating oil. However, during use, lubricating oil may leak, causing contamination of materials and seriously affecting product quality, especially in the food processing field with high hygiene requirements. Second, there is a risk of material breakage. The rotating scraper blades can easily cause material breakage, reducing the yield and affecting production efficiency.
[0006] 3. Difficult to clean and maintain: The materials and structural designs of existing uniform feeders are often not convenient for cleaning and maintenance. For example, as shown in the patented grain silo granular fluid dust collector (publication number CN210207640U), the granular structure used in the grain silo granular dust collector is not conducive to cleaning and maintenance. Moreover, the cleaning process may result in material residue, further increasing the risk of pollution. Utility Model Content
[0007] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a double-layer adjustable mechanical feeder. Through a fully mechanical structure design, it overcomes the limitations of existing technologies and solves the problem of uneven material distribution in large-sized silos. Its adjustability, flexibility, and high hygiene performance make it an ideal feeder in the pet food industry, effectively improving production efficiency and ensuring product quality.
[0008] This utility model provides the following technical solution:
[0009] A double-layer adjustable mechanical material leveler includes a material leveler mounting bracket installed inside a silo, and an outer frame, an inner frame, an inner frame 2, and an outer frame 3 installed side by side along the horizontal direction on the material leveler mounting bracket. The inner frames 1 and 2 are each connected to two sets of upper material leveling plates via two sets of longitudinal connecting rods. The upper material leveling plates are located above the material leveler mounting bracket. The perforated surfaces of the four sets of upper material leveling plates are distributed in an flared shape from the top to the bottom of the silo, and the tops of the four sets of upper material leveling plates are aligned below the silo inlet. There is also a channel gap between each pair of plates for material to fall. During operation, after the material enters through the inlet above the silo, it first falls in two parts. A small portion of the material falls directly from the channel gap in the middle of the upper material leveling plates to the center of the material yard, while the majority of the remaining material impacts the four upper material leveling plates. Because the upper material leveling plates are perforated, some material falls through the perforated holes in the plate surface (this is the first layer of material leveling).
[0010] The outer frame 1 and outer frame 2 are each connected to two sets of lower material leveling plates by two sets of longitudinal connecting rods 2. The lower material leveling plates are located below the material leveling device mounting bracket. The perforated surfaces of the four sets of lower material leveling plates are also distributed in an flared shape from the top to the bottom of the hopper. The top of the four sets of lower material leveling plates is supported by the flared bottom of the four sets of upper material leveling plates. There are also material drop channel gaps 2 between each pair. At the same time, there are also horizontally staggered material drop gaps 3 between the top of the four sets of lower material leveling plates and the bottom of the four sets of upper material leveling plates. Based on the above, the material impacting the four upper material leveling plates will fall into the channel gap 2 between the upper and lower material leveling plates as it slides down along the angle of the upper material leveling plates (this is double material leveling), while the other part of the material will fall due to the impact force and sliding. The material impacts the lower equalizing plate with its initial velocity. Because the lower equalizing plate has a hollow design, some material will fall through the gaps in the holes on the plate (this is triple equalization). The remaining material will impact the lower equalizing plate with its own velocity (this is quadruple equalization). The impact distance is determined by the angle of the lower equalizing plate, which is generally determined by the initial falling velocity of the material. The greater the initial velocity, the greater the horizontal tilt angle of the equalizing plate and the shorter the sliding impact distance; the smaller the initial velocity, the smaller the horizontal tilt angle of the equalizing plate and the farther the sliding impact distance. At this time, the material passes through the quadruple equalization of the double-layer equalizer, which can make the material evenly distributed throughout the silo. This avoids the traditional equalizer's high center and low four corners, forming a mountain-shaped distribution pattern, and also avoids dead corners in the material flow.
[0011] Thus, the feed leveler provided by this utility model, through its fully mechanical structure design, overcomes the limitations of existing technologies and solves the problem of uneven material distribution in large-sized silos. Its adjustability, flexibility, and high hygiene performance make it an ideal feed leveling device in the pet food industry, effectively improving production efficiency and ensuring product quality. Furthermore, since the upper and lower feed leveling plates in this feed leveler are fixed on a set of feed leveler mounting brackets, and all its structures can be made of stainless steel, it is also convenient for disassembly, cleaning, and maintenance of the device in the later stages.
[0012] Preferably, the upper material leveling plate has a triangular surface with multiple sets of elongated material dropping holes.
[0013] Preferably, the lower uniform material plate has a trapezoidal surface with multiple sets of elongated material drop holes. This allows the apex of the triangle on the upper uniform material plate to face the feed inlet at the top of the hopper, facilitating the receiving and distribution of the dropped material. This allows most of the material to spread evenly in an expanding shape after falling onto the upper uniform material plate. The top of the trapezoidal surface of the lower uniform material plate receives the material drop from the base of the triangle, and the material drop is interrupted between the upper and lower uniform material plates to achieve a further uniform material distribution effect.
[0014] Preferably, the uniform feeder mounting bracket includes two sets of parallel linear rods. The two ends of the outer frame one, inner frame one, inner frame two, and outer frame two are each connected to the linear rods by two sets of clamping plates. The two sets of clamping plates are detachably locked together by screws. Thus, when the screws are loosened to reduce the clamping gap between the two sets of clamping plates and the linear rods, the spacing between the upper uniform feed plates can be adjusted by adjusting the position of the two sets of clamping plates between the linear rods.
[0015] Preferably, the outer frame 1, inner frame 1, inner frame 2, and outer frame 2 are also provided with elongated adjustment holes. The elongated extension direction of the adjustment holes is located on the horizontal plane where the uniform feeder mounting bracket is located, and is set perpendicular to the straight rod frame. The bolt 1 passing through the longitudinal connecting rod 1 or longitudinal connecting rod 2 is locked by a nut 1. The nut 1 is locked outside the corresponding adjustment hole to fix the longitudinal connecting rod 1 or longitudinal connecting rod 2. Thus, by loosening the nut 1, the position of the upper uniform feeder plate and the lower uniform feeder plate can be adjusted along the adjustment hole to achieve more flexible adjustment.
[0016] Preferably, the second longitudinal connecting rod includes an upper base, a lower base, and a connecting frame connected in sequence. The top end of the upper base is connected to the corresponding outer frame one or outer frame two, and its bottom end is provided with a horizontal mounting plate one. The top end of the lower base is provided with a mounting plate two that fits against the mounting plate one. The mounting plate two has two sets of concentrically distributed arc-shaped mounting grooves. The bolts two passing through the upper base are locked by nuts two. The nuts two are locked outside the corresponding mounting grooves to fix the positions of the mounting plate one and the mounting plate two. At the same time, when the nuts two are loosened, the mounting plate one can be adjusted relative to the upper base. The rotation angle of the mounting plate is adjusted. The bottom of the lower base is also provided with a vertical plate. The plate is also provided with multiple sets of connecting holes distributed along an arc. A central hole is provided at the center of the arc segment where the multiple sets of connecting holes are located. One end of the connection is connected to the lower material leveling plate, and the other end is connected to the central hole by a pin. The middle section of the connecting plate is also provided with a mating hole for aligning the connecting holes. The mating hole and the connecting hole are locked by a pin, thereby achieving the purpose of adjusting the angle of the lower material leveling plate and preventing material from accumulating on the upper base.
[0017] The beneficial effects of this utility model are:
[0018] The material distributor of this utility model adopts a purely mechanical structure design, which does not require the use of gear lubricating oil or other liquid lubricants, thus avoiding the risk of contamination caused by lubricating oil leakage. This makes the material distributor particularly suitable for the food processing industry with high hygiene requirements, meeting strict food safety standards. Furthermore, through the quadruple material distribution function, the material distributor of this utility model can also ensure the uniform distribution of materials in the hopper, avoiding the "mountain-shaped" uneven distribution caused by traditional material distributors.
[0019] The material distribution device of this utility model can achieve uniform material distribution without relying on rotating blades, but through a unique mechanical structure, avoiding the problems of material breakage and reduced yield. Thus, it not only improves the uniformity of material distribution, but also has a significant advantage in terms of yield, resulting in higher economic benefits.
[0020] The three utility model feeder is made entirely of stainless steel, and its overall structure is fixed on a set of feeder mounting brackets, which also facilitates disassembly, cleaning and maintenance in the later stage. Attached Figure Description
[0021] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0022] Figure 1 This is a cross-sectional view of the structure of this utility model inside the silo;
[0023] Figure 2 yes Figure 1 Top view;
[0024] Figure 3 This is a schematic diagram of the structure for mounting components on the feeder mounting bracket;
[0025] Figure 4 yes Figure 3 The main view;
[0026] Figure 5 yes Figure 3 Top view;
[0027] Figure 6 This is a schematic diagram of the structure connecting the second longitudinal connecting rod to the lower uniform material plate;
[0028] Figure 7 yes Figure 6 The main view;
[0029] Markings in the diagram:
[0030] 1. Material hopper; 2. Material leveler mounting bracket; 3. Outer frame 1; 4. Inner frame 1; 5. Inner frame 2; 6. Outer frame 2; 7. Upper material leveling plate; 8. Channel gap 1; 9. Lower material leveling plate; 10. Channel gap 2; 11. Drop gap 3; 12. Drop hole 1; 13. Drop hole 2; 14. Clamping plate; 15. Adjustment hole; 16. Longitudinal connecting rod 1; 17. Longitudinal connecting rod 2; 171. Upper base; 172. Lower base; 173. Connecting frame; 174. Mounting plate 1; 175. Mounting plate 2; 176. Mounting groove; 177. Vertical plate; 178. Connecting hole; 179. Center hole; 170. Butt joint hole; 1711. Protective cover. Detailed Implementation
[0031] like Figure 1-7 As shown, a double-layer adjustable mechanical material leveler, in this embodiment, includes a material leveler mounting bracket installed in a silo, and an outer frame 1, an inner frame 1, an inner frame 2, and an outer frame 2 installed side by side in a horizontal direction on the material leveler mounting bracket; the inner frame 1 and the inner frame 2 are each connected to two sets of upper material leveling plates by two sets of longitudinal connecting rods 1. The upper material leveling plates are located above the material leveler mounting bracket. The perforated surfaces of the four sets of upper material leveling plates are distributed in an flared shape from the top to the bottom of the silo, and the tops of the four sets of upper material leveling plates are aligned below the silo inlet. There is also a channel gap 1 between each pair of them for material to fall. During operation, after the material enters from the inlet above the silo, it first falls in two parts. A small part of the material falls directly from the channel gap in the middle of the upper material leveling plate to the center of the material yard, while most of the remaining material impacts the four upper material leveling plates. Since the upper material leveling plates are perforated, some of the material will fall from the perforated holes in the plate surface (this is the first layer of material leveling).
[0032] Two sets of lower material leveling plates are connected to each of the outer frames 1 and 2 by two sets of longitudinal connecting rods 2. The lower material leveling plates are located below the material leveling device mounting bracket. The perforated surfaces of the four sets of lower material leveling plates are also distributed in an flared shape from the top to the bottom of the hopper. The top of the four sets of lower material leveling plates is supported by the flared bottom of the four sets of upper material leveling plates. There are also material drop channel gaps 2 between each pair. At the same time, there are also horizontally staggered material drop gaps 3 between the top of the four sets of lower material leveling plates and the bottom of the four sets of upper material leveling plates. Based on the above, the material impacting the four upper material leveling plates will fall into the channel gap 2 between the upper and lower material leveling plates as it slides down along the angle of the upper material leveling plates (this is double material leveling), while the other part of the material will fall due to the impact force and initial sliding. The material impacts the lower equalizing plate at high speed. Because the lower equalizing plate has a hollow design, some of the material will fall through the gaps in the holes on the plate (this is triple equalization). The remaining material will impact the lower equalizing plate with its own speed (this is quadruple equalization). The impact distance is determined by the angle of the lower equalizing plate, which is generally determined by the initial falling speed of the material. The greater the initial speed, the greater the horizontal tilt angle of the equalizing plate and the shorter the sliding impact distance; the smaller the initial speed, the smaller the horizontal tilt angle of the equalizing plate and the farther the sliding impact distance. At this time, the material passes through the quadruple equalization of the double-layer equalizer, which can make the material evenly distributed throughout the silo. This avoids the traditional equalizer's high center and low four corners, forming a mountain-shaped distribution pattern, and also avoids dead corners in the material falling.
[0033] Thus, the feed leveler provided by this utility model, through its fully mechanical structure design, overcomes the limitations of existing technologies and solves the problem of uneven material distribution in large-sized silos. Its adjustability, flexibility, and high hygiene performance make it an ideal feed leveling device in the pet food industry, effectively improving production efficiency and ensuring product quality. Furthermore, since the upper and lower feed leveling plates in this feed leveler are fixed on a set of feed leveler mounting brackets, and all its structures can be made of stainless steel, it is also convenient for disassembly, cleaning, and maintenance of the device in the later stages.
[0034] The upper material leveling plate has a triangular surface with multiple sets of elongated material dropping holes.
[0035] The lower uniform material distribution plate has a trapezoidal surface with multiple sets of elongated material drop holes. The apex of the upper uniform material distribution plate's triangle can then face the feed inlet at the top of the hopper, making it easier to receive and distribute the falling material. This allows most of the material to spread evenly in an expanding shape after falling onto the upper uniform material distribution plate. The top of the trapezoidal surface of the lower uniform material distribution plate receives the material from the base of the triangle, and the material drop is interrupted between the upper and lower uniform material distribution plates to further achieve the effect of uniform material distribution.
[0036] The uniform feeder mounting bracket includes two sets of parallel linear rods. The two ends of the outer frame one, inner frame one, inner frame two, and outer frame two are each connected to the linear rods by two sets of clamping plates. The two sets of clamping plates are detachably locked together by screws. Thus, when the screws are loosened to make the clamping gap between the two sets of clamping plates and the linear rods, the spacing between the upper uniform feeder plates can be adjusted by adjusting the position of the two sets of clamping plates between the linear rods.
[0037] The outer frame 1, inner frame 1, inner frame 2, and outer frame 2 are also provided with elongated adjustment holes. The elongated extension direction of the adjustment holes is located on the horizontal plane where the uniform feeder mounting bracket is located, and is set perpendicular to the straight rod frame. The bolt 1 passing through the longitudinal connecting rod 1 or longitudinal connecting rod 2 is locked by nut 1. Nut 1 is locked outside the corresponding adjustment hole to fix the longitudinal connecting rod 1 or longitudinal connecting rod 2. At this point, the position of the upper uniform feeder plate and the lower uniform feeder plate can be adjusted along the adjustment hole by loosening nut 1, so as to achieve more flexible adjustment.
[0038] The second longitudinal connecting rod includes an upper base, a lower base, and a connecting frame connected in sequence. The top of the upper base is connected to the corresponding outer frame one or outer frame two, and its bottom is provided with a horizontal mounting plate one. The top of the lower base is provided with a mounting plate two that fits against the mounting plate one. The mounting plate two has two sets of concentrically distributed arc-shaped mounting grooves. The bolts two passing through the upper base plate are locked by nuts two. The nuts two are locked outside the corresponding mounting grooves to fix the positions of the mounting plate one and the mounting plate two. At the same time, when the nuts two are loosened, the mounting plate one can be installed relative to the other. To adjust the rotation angle of plate two, a vertical plate is also provided at the bottom of the lower base. The plate is provided with multiple sets of connecting holes distributed along an arc. A central hole is provided at the center of the arc segment where the multiple sets of connecting holes are located. One end of the connecting plate is connected to the lower material leveling plate, and the other end is connected to the central hole by a pin. The middle section of the connecting plate is also provided with a mating hole for aligning the connecting holes. The mating hole and the connecting hole are locked together by a pin. This achieves the purpose of adjusting the angle of the lower material leveling plate and prevents material from accumulating on the upper base.
[0039] The working principle of this utility model is as follows: When the material enters through the feed inlet above the hopper, it first falls in two parts. A small portion of the material falls directly from the gap in the middle of the upper material leveling plate to the center of the material yard (this is the first leveling). The majority of the remaining material impacts the four upper material leveling plates. As the material impacts the four upper material leveling plates and slides along the angle of the upper material leveling plates, a portion of it falls into the gap between the upper and lower material leveling plates (this is the second leveling). The other portion of the material impacts the lower material leveling plate due to the impact force and initial sliding velocity. Since the lower material leveling plate has a hollow design, ... A portion of the material will fall through the perforated holes in the plate (this is triple material distribution), while the remaining material will impact the lower material distribution plate with its own speed (this is quadruple material distribution). The impact distance is determined by the angle of the lower material distribution plate, which is generally based on the initial falling speed of the material. The greater the initial speed, the greater the horizontal tilt angle of the material distribution plate, and the shorter the sliding impact distance; the smaller the initial speed, the smaller the horizontal tilt angle of the material distribution plate, and the farther the sliding impact distance. At this time, the material passes through the quadruple material distribution of the double-layer material distribution device, which can make the material evenly distributed throughout the entire hopper. This avoids the traditional material distribution device's high center and low four corners, forming a mountain-shaped distribution pattern, and also avoids dead corners in the material falling.
[0040] Thus, the feed leveler provided by this utility model, through its fully mechanical structure design, overcomes the limitations of existing technologies and solves the problem of uneven material distribution in large-sized silos. Its adjustability, flexibility, and high hygiene performance make it an ideal feed leveling device in the pet food industry, effectively improving production efficiency and ensuring product quality. Furthermore, since the upper and lower feed leveling plates in this feed leveler are fixed on a set of feed leveler mounting brackets, and all its structures can be made of stainless steel, it is also convenient for disassembly, cleaning, and maintenance of the device in the later stages.
[0041] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A double-layer adjustable mechanical feeder, characterized in that, The system includes a material leveler mounting bracket installed inside the silo, and an outer frame 1, an inner frame 1, an inner frame 2, and an outer frame 2 installed side by side along the horizontal direction on the material leveler mounting bracket. The inner frame 1 and inner frame 2 are each connected to two sets of upper material leveling plates by two sets of longitudinal connecting rods. The upper material leveling plates are located above the material leveler mounting bracket. The perforated surfaces of the four sets of upper material leveling plates are distributed in an flared shape from the top to the bottom of the silo, and the tops of the four sets of upper material leveling plates are aligned below the material inlet of the silo. There is also a material drop channel gap between each pair of them. The outer frame 1 and outer frame 2 are each connected to two sets of lower material leveling plates by two sets of longitudinal connecting rods 2. The lower material leveling plates are located below the material leveling device mounting bracket. The perforated plate surfaces of the four sets of lower material leveling plates are also distributed in an flared shape from the top to the bottom of the hopper. The top of the four sets of lower material leveling plates is supported by the flared bottom of the four sets of upper material leveling plates. There is also a material drop channel gap 2 between each pair. At the same time, there is also a horizontally staggered material drop gap 3 between the top of the four sets of lower material leveling plates and the bottom of the four sets of upper material leveling plates.
2. The double-layer adjustable mechanical feeder according to claim 1, characterized in that, The upper material leveling plate has a triangular surface with multiple sets of elongated material dropping holes.
3. The double-layer adjustable mechanical feeder according to claim 2, characterized in that, The lower uniform material plate has a trapezoidal surface with multiple sets of elongated material drop holes.
4. The double-layer adjustable mechanical feeder according to claim 1, characterized in that, The uniform feeder mounting bracket includes two sets of parallel linear rods. The two ends of the outer frame one, inner frame one, inner frame two and outer frame two are each connected to the linear rods by two sets of clamping plates, and the two sets of clamping plates are detachably locked together by screws.
5. A double-layer adjustable mechanical feeder according to claim 4, characterized in that, The outer frame 1, inner frame 1, inner frame 2 and outer frame 2 are also provided with elongated adjustment holes. The elongated extension direction of the adjustment holes is located on the horizontal plane where the feeder mounting bracket is located, and is set perpendicular to the straight rod frame. The bolt 1 passing through the longitudinal connecting rod 1 or longitudinal connecting rod 2 is locked by a nut 1. The nut 1 is locked outside the corresponding adjustment hole to fix the longitudinal connecting rod 1 or longitudinal connecting rod 2.
6. A double-layer adjustable mechanical feeder according to any one of claims 1-5, characterized in that, The second longitudinal connecting rod includes an upper base, a lower base, and a connecting frame connected in sequence. The top end of the upper base is connected to the corresponding outer frame one or outer frame two, and its bottom end is provided with a horizontal mounting plate one. The top end of the lower base is provided with a mounting plate two that fits against the mounting plate one. The mounting plate two has two sets of concentrically distributed arc-shaped mounting grooves. The bolts two passing through the upper base are locked by nuts two. The nuts two are locked outside the corresponding mounting grooves to fix the positions of the mounting plate one and the mounting plate two. At the same time, when the nuts two are loosened, installation can be performed. The rotation angle of mounting plate one relative to mounting plate two is adjusted. The bottom end of the lower base is also provided with a vertical plate. The plate is also provided with multiple sets of connecting holes distributed along an arc. A central hole is also provided at the center of the arc segment where the multiple sets of connecting holes are located. One end of the connection is connected to the lower uniform material plate, and the other end is connected to the central hole by a pin. The middle section of the connecting plate is also provided with a mating hole for aligning the connecting holes. The mating hole and the connecting hole are locked by a pin. The mounting plate one is also provided with a conical protective cover.
Citation Information
Patent Citations
Granular fluid dust remover for granary
CN210207640U
Rotary foodstuff refiner
CN2376197Y